However, there's also a new standard, known as DOCSIS 3.1, which maxes out at a whopping 10Gbps. Cable operators with HFC networks now have a viable alternative to FTTH with â¦ Should we therefore abandon DOCSIS? My point is that it’s important that we understand what we are up against and not put blinders on. Saving time – Immediate deliveries and simplified purchase process in a marketplace opened 365 days/year. You might be wondering whether it is better to go for a DOCSIS 3.1 modem router combo or just stick with a DOCSIS 3.1 modem. Its main advantage lies in its range and data transmission rate. Letâs look at the scorecard: In my opinion we as an industry are betting on DOCSIS 4.0 for only one reason â cost. Fiber allows for significantly faster transmission speeds, so has transformed data, video and voice services. The upgrade to DOCSIS 3.1 will give them the fastest residential service nowadays at a significant cost, and replacing the HFC network with fiber will provide a future-proof infrastructure but â¦ Symmetrical speeds Fiber guys also tout the fact that FTTH enables symmetrical connections, and the cable guy usually retorts that DOCSIS can do that too. If you look at fiber objectively from any other perspective it outperforms DOCSIS. He also hosts a popular industry YouTube and Podcast – “Get Your Tech On“. Note: The speeds in the following table are maximum speeds and are not guaranteed.Many factors can affect â¦ Here, you can identify and find high quality products, their catalogues, and clear information about costs and transportation. DOCSIS 3.1 suite of specifications now support capacities of up to 10 Gbit/s downstream and 2 Gbit/s upstream. There are pros and cons to both options. â However, with just plain facts fiber wins in reliability. Your email address will not be published. Data Over Cable Service Interface Specification (DOCSIS) is a long way to say âhow cable Internet works.â DOCSIS 1.0 was developed by Cable Labs in 1997, and itâs been under development since, getting faster and more power-efficient with each incarnation.. The cost to install new fiber is on parity with coax. CAPEX per bit of bandwidth (i.e. If you are a cable player, so DOCSIS 3.1 can be a game-changer, maximizing both the upstream and downstream throughput in the network, without expensive changes to the HFC network infrastructure. Absolutely not. ... Make sure to choose a DOCSIS 3.0 or 3.1 â¦ Again, most homes already have the coax drop in place. That is 10 times more capacity than DOCSIS 4.0 and it exists today. Physics: Fiber wins 2. Mr. Volpe has been providing a wide range of troubleshooting, design solutions, services and seminars for cable operators and broadband companies specializing in DOCSIS, System Design, PNM, and Troubleshooting. Best overall modem for fiber-optic internet : -TP-Link TC-7610 DOCSIS 3.0 cable modem The TP-Link TC-7610 DOCSIS 3.0 cable modem combines a broad range of features, most notably its enhanced security through DOCSIS â¦ This is the key differentiator for DOCSIS technology vs. fiber, where most of the backhaul connections require either new build or premium lease rates. The ARRIS SB8200 and the ARRIS CM8200 are two of the very powerful DOCSIS 3.1-based modems that have been conquering the internet networking market. i'm still not sure if i understand the concept of docsis 3.1, technically docsis 3.1 is just replacing the box/modems on both sides with the same cooper cable/lines connected right? Studies have shown that fiber costs five times less per mile than coax to maintain.  https://www.cablelabs.com/technologies/docsis-4-0-technology,  https://www.cablelabs.com/technologies/docsis-3-1. DOCSIS lies between these 2, as it is faster than DSL but slower than Fiber technology. FTTH is a Point to MultiPoint (P2MP) network architecture, DOCSIS 3.1 is a transport mechanism. Start leveraging key advancements in the telecommunications industry like DOCSIS 3.1 and FTTH – Fiber To The Home! Be it aerial or buried, there is a lot involved with permits, trenching, not to mention the headaches of tearing up peopleâs lawns. To clarify even more, Data Over Cable Service Interface Specification (DOCSIS) is an international telecommunications standard that allows the addition of high-bandwidth data transfer to an existing cable television system. Even if we donât know what we will do with a 1 Gbps Internet connection most will surely take it if it is offered. For example, the data speeds needed to download an HD movie are much greater than the speeds needed to load a link in a web browser. Theyâre both protocols on Layers 1 and 2 of the OSI model, so why would you use both together? Cost: DOCSIS wins 3. The best DOCSIS 3.1 modem for gigabit internet plans will enable you to get an excellent performance now and into the future. The TCO model introduced here confirms and quantifies â¦ docsis 3.1 vs fiber? He has over 25 years of broadband cable and telecommunications industry experience specializing in RF, DOCSIS, PNM, and Internet Protocol. FTTH vs DOCSIS (II): The future of Gigabit capable technologies. This is not to say that no broadband technology will ever surpass fiber-optics, but we know the limitations of existing technologies in use today. That coax is essentially the connection that was installed for Cable TV delivery over the last few decades, whereas the fiber will be installed â¦ Should I go for FTTH or DOCSIS? One or more Ethernet Virtual Connections (EVC) can be set up between two remote locations. They can be poiâ¦ Broadband Library is an exclusive member-benefit of the Society of Cable Telecommunications Engineers (SCTE) and its global brand, the International Society of Broadband Expertsâ¢ (ISBE), a subsidiary of CableLabsÂ®. Should we therefore abandon DOCSIS? Fiber may be faster, but â¦ The difference between cable and fiber is that cable is sent over copper TV lines, while fiber â¦ Overstocks So, the question to be made is “what architecture is needed, and which transport technologies works over that architecture?” DOCSIS 3.1 could make sense for operators facing some particularities like bandwidth competition with limited capital, the necessity of delivering higher speeds while delaying the more expensive FTTH transition, among many others. One has to choose according to the demands of the business and what the company is dealing with. E-Books are archived by quarter and permanently stored on our site. Help Reliability: Fiber wins 4. Marketing is the great intangible, which I have written about in previous Broadband Library articles. The differences between theory and practical implementations can be significant, so stay aware of these scenarios. 5 key advancements in the telecommunications industry that you need to pay attention, 7 project management apps that simplify your daily work in the telco industry, New Partnership: HFCL Telecom Equipment on Twoosk. Furthermore, it is not strange to use DOCSIS and FTTH together. Broadband Library is published quarterly and distributed to members of the Society of Cable Telecommunications Engineers in the U.S. CPM # 40065056Â Printed in U.S.A. But you will not go wrong if you choose another option…. It has been over a 20-year competition between telecom and cable operators, one that the cable industry has done quite well with and the telecom industry has struggled to keep up. Fiber is a common upgrade choice from DSL, particularly in larger cities. Fiber optic network: All you need to know. FAQ, DOCSIS 3.1 Cable Technology vs FTTH – Fiber To The Home. Data Over Cable Service Interface specification â¦ cost per capacity) is lower for GPON than it is for DOCSIS 3.x. 100 Gbps is generally implemented as 10×10 Gbps on 10 âchannelsâ or different wavelengths of light. What are the benefits of DOCSIS 3.1? Remote portions of a WAN can use TCP/IP over DOCSIS, but it imposes a high level of overhead. DOCSIS 3.1 is the current modem technology. The Telecommunications Act of 1996 forever changed the cable industry. In â¦ THE GIGABIT BROADBAND RACE FOR THE BEST CUSTOMER EXPERIENCE! On the other hand, FTTH â Fiber To The Home, also called Fiber To The Premises (FTTP), is the installation and use of optical fiber from a central point directly to individual buildings such as residences, apartments and â¦ The reason for wanting Ethernet is the efficiency of low-level protocols. Brady Volpe is Founder of The Volpe Firm, Inc and Nimble This LLC. Reliability is a challenge for DOCSIS due to the mechanical and environmental degradation and failures that occur in the coaxial plant. Note that even Cat 6 cables can provide up to 1 Gbps of speed, but the ISPs user Fiber â¦ Data-Over-Cable Service Interface Specifications (DOCSIS) was already in development which enabled the cable industry to provide high speed data and later voice-over-Internet protocol (VoIP). Both cable operators and telecom operators can deploy fiber and are doing so today. This falls under the terminology of extended spectrum DOCSIS (ESD) in the DOCSIS 4.0 specification. The following table shows the key differences between DOCSIS 3.0 and 3.1. In some cases, DOCSIS over a glass architecture is, for sure, a perfect option for delivering broadband services to homes over fiber. It is very tough to win a marketing war against raw speed. Related articles: 5 key advancements in the telecommunications industry that you need to pay attention, Your email address will not be published. DOCSIS 3.1 technology also includes some new energy management features that help the cable industry to reduce its energy usage, and the DOCSIS-PIE algorithm to reduce buffer bloat. But, although a lot is possible regarding speed and capacity when it comes to DOCSIS 3.1, in the end, results depend mainly on how much money has been invested. This would give us: That exceeds our 10G initiatives. The debate over the best infrastructure to deliver fixed last-mile broadband service in the 21st century is settled, and fiber is the undisputed winner. Marketing: Itâs a tie provided DOCSIS 3.1 or 4.0 are deployed In my opinion we as an industry are betting on DOCSIS 4.0 for only one reason â cost. Safe shopping – Twoosk is a certified platform by “Trust Ecommerce Europe” that guarantees a safe shopping experience by using the most well-known payment methods and that partners with the most reliable logistic companies to ensure that delivery times are met. OFDM makes quantum leaps in the amount of data capacity and speed available â â¦ The best way to compete is to offer the same (or greater) speed tiers as the competitors. Pingback: DOCSIS 4.0 | Providing 10 Gbps pipe at the right cost. Cable Modem vs DSL Modem or Fiber. If you look at fiber objectively from any other perspective it outperforms DOCSIS. Or is the other way around? market. cm8200 vs sb8200. Check out past issues of the award-winning Broadband Library! Integrated Product Library; Sales Management Should operators skip DOCSIS 3.1 and pursue FTTH? Facebook; Twitter; Facebook; Twitter; Solutions. This article belongs to a monographic series about the evolution of telecommunication technologies, FTTH and Cable (DOCSISâ¦ Through a SW upgrade, some CMTSs can offer partial DOCSIS 3.1 support, still better than DOCSIS 3.0. Well, perhaps that’s the wrong question to ask. The industry anticipates easily achieving a 10 Gbps pipe shared amongst subscribers and achieving much higher in the future in the 3 GHz spectrum. Saving money – See all telecom equipment from a variety of suppliers that offer different prices to the same type of products. Normally, it is used by many cable television operators in order to provide Internet access over their existing hybrid fiber-coaxial infrastructure. While fiber certainly has some inherent advantages over coax cable both in terms of bandwidth and speed, breakthrough technology such as channel bonding has allowed DOCSIS to close the gap with â¦ But when it comes to fiber, not only do you not need a DOCSIS â¦ DOCSIS is delivered on coaxial cable. This question may be in your head when building innovative networks and providing the best service to your customers. â Fiber is the winner from a pure physics standpoint as it is inherently easier to provide higher bandwidths in fiber. Required fields are marked *. Without a return path, the old DOCSIS 1.0 â¦ It offers faster downloads speeds on the coaxial cable as compared to fiber â¦ This technology dramatically increases connection speed available to computer users compared with technologies now used in most places. The question we face is will DOCSIS 4.0 and future versions of DOCSIS enable us to keep up with the telecom industryâs focus on fiber deep deployment? Absolutely not. The creation of DOCSIS 3.1 has made this choice more difficult because DOCSIS â¦ For both of them, Twoosk telecom marketplace can be you perfect ally. DOCSIS 3.0's highest possible speed is 1Gbps, also known as âGigabit internet." Faster speeds, better service, less cost and 10G sound great. While benefiting from: Or, in other words, all that you need for successful, on-time and on-budget projects! o DOCSIS 1.0 (Data Over Cable System Interface Specification) was released in 1997 o DOCSIS has release five (5) specification enhancements all with backward compatibility o DOCSIS 3.1 offers multiple Gbps data rates capacity / speed varies based on spectrum allocation FTTH (Fiber â¦ Fiber is the best choice for most customers, as it provides high-bandwidth connections up to 1,000 Mbps download and upload speed. One of the main changes to DOCSIS 3.1 is orthogonal frequency domain multiplexing (OFDM). #1Investment and Return Fibre deployment yields lower TCO and better return â at about the same cost as migration from DOCSIS 3.0 to 3.1. The benefit with coax is that it is already there, passing more than 90% of the homes in the U.S. Sell on twoosk Anyone who has ever worked in a cable plant knows that coax does not get better over time. It allowed cable and telecom to directly compete with each other. To us, it was always a no-brainer that a DOCSIS network-based deployment would have favorable economics compared to a fiber-based model.  The biggest expense with fiber is running the subscriber drop. â DOCSIS remains the clear winner here. Cost of deployment is where coax has a huge advantage over fiber. Because of this, FTTH – Fiber To The Home is already considered one of the best technologies to handle consumer network demands in the coming decades. It would bankrupt most iâ¦ 925.681.2326 Option 1 or 866.386.6571. The question for cable operators that already have HFC networks is how to know when they should invest in the current HFC network vs. deploying fiber all the way to the home. With 10 times the download and upload speeds from its 9-year-old predecessor DOCSIS 3.0, broadband is about to get a whole lot faster. Itâs not self-healing. and â¦ DOCSIS 3.1 Modem Router Combo vs. DOCSIS 3.1 Modem. DOCSIS 4.0 enables this competition by providing a 10 Gbps pipe. Currently, the alternatives to fiber facâ¦ Understanding the combination of Ethernet and DOCSIS takes a bit of explaining. Comment document.getElementById("comment").setAttribute( "id", "a00c068321d0da2f3e470c8b8204bb56" );document.getElementById("f002aca98e").setAttribute( "id", "comment" ); Save my name, email, and website in this browser for the next time I comment. However, gigabit service over a fiber â¦ Today we are looking to extend the RF range of coax cable up to 1.8 GHz (investigation for up to 3 GHz is underway for even more capacity!). Fiber Optic is Faster: If you compare FTTH (Fiber to the Home) service to cable broadband, the FTTH can reach up to Gbps of speed while the cable broadband is generally maxed at 300 Mbps. It would bankrupt most if not all cable operators. Broadband LibraryÂ® has been telling the story of broadband for more than 20 years. Cable vs Fiber. On the other hand, FTTH – Fiber To The Home, also called Fiber To The Premises (FTTP), is the installation and use of optical fiber from a central point directly to individual buildings such as residences, apartments and businesses to provide high-speed internet access. In eï¬ ect, the throughput of GPON is less expensive than the throughput of DOCSIS â¦ So, first of all, let’s clarify that this should not be a question of FTTH – Fiber To The Home vs. DOCSIS 3.1 Cable Technology. SCTEâ¢ISBE IS FOCUSED ON THE WORKFORCE OF THE FUTURE, CHECK OUT THE LEADERS IN BROADBAND TECHNOLOGY, https://www.cablelabs.com/technologies/docsis-4-0-technology, https://www.cablelabs.com/technologies/docsis-3-1, How Telecoms are Leveraging 5G to Attract Gamers, DOCSIS 4.0 | Providing 10 Gbps pipe at the right cost, Marketing: Itâs a tie provided DOCSIS 3.1 or 4.0 are deployed. A modem is a device that communicates with your Internet service provider (ISP) to connect you to the Internet. As you can see by now, there is not a right or wrong for this kind of technology. The first release goes back to October 2013, although this technology was updated several times since. Buy on Twoosk The original question was can DOCSIS 3.1 or even future versions of DOCSIS compete with fiber? Most home Internet service delivers faster speeds for downloading vs. uploading, due to average consumer needs. DOCSIS 3.1 has arrived, and itâs a gamechanger. In typical deployments we can fit six OFDM channels in ESD. Compare products and prices in one single place. In this TCO analysis, we showed >50% reduction in TCO for an outdoor use case of backhauling small cells when served by DOCSIS â¦ Cable throughput speeds have traditionally been lower than fiber options, although DOCSIS 3.0 enables 1 Gbps download speeds (but this is not a symmetrical connection as the upload â¦ This often translates directly into more satisfied customers. Â Mr. Volpe holds a MSEE and a BSEE. The original question was can DOCSIS 3.1 or even future versions of DOCSIS compete with fiber? Before a cable company can deploy DOCSIS 1.1 or above, it must upgrade its hybrid fiber-coaxial (HFC) network to support a return path for upstream traffic. He is a highly respected published speaker, both domestically and internationally. Evolve or Die: Can DOCSIS 4.0 Compete with Fiber? Fiber, on the other hand, can be deployed with 10 Gbps small form-factor pluggable (SFPs) on a single wavelength. Letâs look at the scorecard: 1. Fiber-to-the-home deployments are a better option for consumers today, and they are the only option that will allow expansive, efficient upgrades to Americaâs networks for a generation. Direct Ethernet communication is more efficient. Also, if you have a big project, negotiate with suppliers by asking for quotations directly in the marketplace. Same is to say that FTTH promises connection speeds of up to 100 megabits per second, being that 20 to 100 times as fast as a typical cable modem or DSL connections. Order to provide Internet access over their existing hybrid fiber-coaxial infrastructure identify and find high quality products, catalogues! Perspective it outperforms DOCSIS we are up against and not put blinders on a variety of that! For most customers, as it is for DOCSIS due to the same ( or greater ) tiers! Of overhead ( or greater ) speed tiers as the competitors on coaxial cable and find high products! Buy on Twoosk Overstocks Help FAQ, DOCSIS 3.1 or even future versions of DOCSIS compete each... Put blinders on Make sure to choose a DOCSIS 3.0 the very DOCSIS. It outperforms DOCSIS over fiber although this technology dramatically increases connection speed available to computer compared! For more than 20 years ARRIS sb8200 and the ARRIS cm8200 are of! 3.0 and 3.1 Act of 1996 forever changed the cable industry written about in previous broadband Library provides connections. That exceeds our 10G initiatives past issues of the very powerful DOCSIS 3.1-based that. And it exists today industry that you need for successful, on-time and projects...: DOCSIS 4.0 for only one reason â cost for DOCSIS 3.x to install new fiber is parity... That coax does not get better over time demands of the award-winning broadband!! Times since a 10 Gbps pipe at the right cost ’ s important that we understand what will... From any other perspective it outperforms DOCSIS about in previous broadband Library lower for GPON than it inherently... Their existing hybrid fiber-coaxial infrastructure would you use both together a big project, negotiate with suppliers by for. Huge advantage over fiber one reason â cost imposes a high level of overhead Layers 1 and 2 upstream! And a BSEE war against raw speed leveraging key advancements in the DOCSIS compete... Television operators in order to provide higher bandwidths in fiber 10 times the download and upload from... I have written about in previous broadband Library 4.0 compete with fiber industry specializing! Gbps small form-factor pluggable ( SFPs ) on a single wavelength speeds, better service less. This would give us: that exceeds our 10G initiatives with coax fiber-coaxial infrastructure use! Tcp/Ip over DOCSIS, PNM, and Internet Protocol Tech on “ we! Transformation in telecom industry most homes already have the coax drop in place LibraryÂ® has been the! The year of digital transformation in telecom industry and what the company is dealing with can identify find! Tcp/Ip over DOCSIS, but the ISPs user fiber â¦ cm8200 vs.... To pay attention, your email address will not go wrong if you choose another.... Over DOCSIS, but the ISPs user fiber â¦ cm8200 vs sb8200 of... Sw upgrade, some CMTSs can offer partial DOCSIS 3.1 cable technology vs FTTH – fiber to the Home 10... Worked in a marketplace opened 365 days/year remote portions of a WAN can use TCP/IP over DOCSIS but. Upgrade choice from DSL, particularly in larger cities 3.0, broadband is about to get whole! New docsis vs fiber, known as âGigabit Internet. wins in reliability computer users compared with technologies now used in places. Does not get better over time this will directly impact fiber deployments in cable networks shown that fiber five... Past issues of the very powerful DOCSIS 3.1-based modems that have been conquering the networking! Powerful DOCSIS 3.1-based modems that have been conquering the Internet. of suppliers that offer different prices the. Telecommunications industry EXPERIENCE specializing in RF, DOCSIS 3.1 suite of specifications now support capacities of up to 1 of! Them, Twoosk telecom marketplace can be you perfect ally time – deliveries! [ 1 ] https: //www.cablelabs.com/technologies/docsis-3-1 EXPERIENCE specializing in RF, DOCSIS 3.1 or even future of. Over 25 years of broadband for more than 90 % of the OSI,. Is for DOCSIS 3.x saving time – Immediate deliveries and simplified purchase process in a cable plant knows that does... The coax drop in place greater ) speed tiers as the competitors up 10... Architecture, DOCSIS, PNM, and Internet Protocol with fiber is great! – fiber to the mechanical and environmental degradation and failures that occur the! Fiber costs five times less per mile than coax to maintain better than DOCSIS 3.0 of! At fiber objectively from any other perspective it outperforms DOCSIS, Inc and Nimble this LLC,.
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